what the hell is a nug i keep hearin people say it but i dunno what it means. im good on most other words its just this one i got trouble with.
Other causes of corneal ulcers include: Abrasions or burns to the cornea caused by injury to the eye. Scratches, scrapes and cuts from fingernails, paper cuts, makeup brushes and tree branches can become infected by bacteria and lead to corneal ulcers. Burns caused by caustic chemicals found in the workplace and at home can cause corneal ulcers.
Next is the stroma, which comprises most of the thickness of the cornea. The innermost layer is called Descemet's membrane. Causes of Corneal Ulcers Corneal ulcers are wounds to the cornea usually caused by an abrasion, scratch, puncture or other trauma to the eye. Brachycephalic breeds are more prone to corneal ulcers than breeds with normal facial and eye construction. 2  Symptoms of a corneal ulcer can include squinting or pawing at the eye, watery eyes, sensitivity to light, and a red, inflamed, painful appearance to the eye.